Peters



'2 s eets-sheet 2.

Patented Mar. 20,1883.

W. MASTERS.

STOVE 0R FURNACE.

' (NoModeL) iii Jllrnvz N. PETERS PbolwL'lhognphur Wiihinflun, D. C-

UNIT D STATES PATENT OFFICE.

WILLIAM MASTERS, OF KANSAS CITY, MISSOURI.

STOVE O R FURNACE.

SPECIFICATTON forming part of Letters Patent No. 274,130, dated March20, 1883,

' Application filed Scptemberll, 1882. (No modeLl To all whom c't magconcern be a full, clear, and exact description.

The invention consists in the combination, with a stove or furnace, of aperforated and independent hollow air-conduitlooated between the fueland combustion chambers of the stove or furnace, and cooperating toeffect the more perfect combustion of the gases and vapors distilledfrom the fuel charges, all as hereinafter set forth, and more distinctlydefined in claims.

In the accompanying drawings, Figures 1, 2, 3, and 4 represent invertical central section, parts being in perspective, a stove ofordinary construction having the hollow perforated air-conduitappliedthereto. Figs. 5, 6, 7, and 8 show this air-conduit detached, theseveral types of conduit being applied to the stoves illustrated inFigs. 1, 2, 3, and 4, respectively. Fig. 9 is a front view of thejointby which the conduit is attached to the walls of the stove.

Located between what may be termed, forconvenience, the lower or fuelchamber, A, and the upper or final combustion chamber, A, of a stove oriurnace of usual construction is an independent hollow casing, G, whichextends around the interior of the stove or furnace, but

entirely separate from the walls thereof, so as to be readily removedand replaced when desired, and in position to be subjected to the playof the flame and hot gases about and upon it its entire surface. Thecasing 0 has a large better fitted for union therewith when finallydischarged into and among them. Perforations in casing O admit air innumerous fine jets from the interior of said conduit into and amongthehot gases and vapors as they escape, effecting by this fresh supplyof oxygen the more perfect combustion "of the gases, so that the heatingcapacity of the same in burning is enhanced and the deposit of soot inlines or passages very materially reduced.

A perforated cross-pipe, as at C, may join opposite parts of theconduit, serving, by reason of its position, to break the currents ofgasa-nd to still further distribute the air among thehighly-heatedvapors and gaseous products. The expanded com bustion-chamberA, located,as shown, with respect to the air-conduit, enables the gases and vaporsto freely expand at the moment of receiving fresh accessions of air, sothat the ignition and burning thereof occurs under conditions mostfavorable to complete success.

The air-conduit 0 has short tubes 0, extending from it to the innerwalls of the stove,wherethey receive the tubular portion 01 of thejoints D, which project through the holes of the stove orfurnace casing,theflanged faces ofsaidjoints D being bolted to the stove-casing, andthus easily loosened at pleasure. By withdrawing the joints D a suitabledistance the air-conduitG,beingnolongersustained,can be readily removedfrom the stove and replaced. The removal may be accomplished either bytaking off the top plate of the stove, as at a, Fig. 4, or theheating-drum A as in Fig. l; or, if the size and shape of conduit andstove will not admit of these expedients, then by lifting up the maincasing, as at A, Fig. 1, the conduit may be easily taken out.

To govern the supply ofair to the conduit and thence to the stove,dampers d are placed in joints D, so as to be readily removed at will ofthe attendant. i

It is not new in the art to introduce a supplemental air-supply abovethe fuel in the firebowl to more effectually burn the hot gases anddistilling vapors; but in one class of devices the air-conduit, or, moreproperly, the airchamber, is an integral part of the stove, costly tomake and difficult to replace. In some instances, though the air-conduitmay in certain sense be independent, it is united with a. per

forated fire-pot in relation wholly different from the present inventionand without means for the quick and easy replacement of defectiveconduits, as contemplated herein. Again, an air-conduit made up inpartof the top wall of the stove and not wholly separate and distinct, as inpresent case,has been located above the fuel-space; but there, is nocombustionchamber in said form to permit free expansion of the gases, sothat. there is no chance for that perfect burning of the gases andvapors which is accomplished by the present invention. The tubular jointfor sustaining the conduit in position is convenient for the purpose,but has heretofore been used in similar relation, and is not claimed ofitself.

Having thus described the invention, what I claim as new, and desire tosecure by Letters Patent, is-

1. The combination, in astove or furnace, of a perforatedair-conduitprovided with short lateral extensions which communicate with the outercasing of the store, said conduit being located between the fuel andfinalcombustion chambers and entirely separated from the wall ofthestove or furnace, substantially as and for the purpose set forth.

2. The combination, with a stove or furnace,

-of a perforated air-00nd nit located between the fuel andfinal-combustion chambers and en- WILLIAM MASTERS.

Witnesses:

CHARLES A. MANN, JAMES CLARKE.

